Lago di Chiusi

{{Infobox body of water

| name = Lago di Chiusi

| image = Lago di chiusi1.jpg

| caption =

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| location = Province of Siena, Tuscany

| coords = {{coord|43|3|22.11|N|11|57|55.79|E|region:IT_source:itwiki_type:waterbody|display=inline,title}}

| type =

| inflow = Tresa

| outflow = Canale Maestro della Chiana

| catchment =

|pushpin_map=Tuscany

| basin_countries = Italy

| length =

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| area = {{convert|3.87|km2|abbr=on}}

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| elevation = {{convert|251|m|abbr=on}}

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}}

Lago di Chiusi is a lake in the Province of Siena, Tuscany, Italy. At an elevation of 251 m, its surface area is 3.87 km².

Like other lakes in Etruria, such as Lake Bolsena and Lake Vico, it was formed from a volcanic crater.{{Cite book |last=Turfa |first=Jean MacIntosh |url=https://www.google.com/books/edition/The_Etruscan_World/2Ofa_0Y5Iu8C?hl=en&gbpv=0 |title=The Etruscan World |date=2014-11-13 |publisher=Routledge |isbn=978-1-134-05523-4 |pages=558 |language=en}}